// Copyright (c) 2023 - 2025 IBM Corp.
// All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package ioresult

import "github.com/IBM/fp-go/v2/idiomatic/result"

// Bracket makes sure that a resource is cleaned up in the event of an error. The release action is called regardless of
// whether the body action returns and error or not.
func Bracket[A, B, ANY any](
	acquire IOResult[A],
	use Kleisli[A, B],
	release func(B, error) func(A) IOResult[ANY],
) IOResult[B] {
	return func() (B, error) {
		a, aerr := acquire()
		if aerr != nil {
			return result.Left[B](aerr)
		}
		b, berr := use(a)()
		_, rerr := release(b, berr)(a)()
		if berr != nil {
			return result.Left[B](berr)
		}
		if rerr != nil {
			return result.Left[B](rerr)
		}
		return result.Of(b)
	}
}
